Home / 719,103.20-1,077,626.76-528,064.70

Finding the Fourth Proportional to 719,103.20, 1,077,626.76 and 528,064.70

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Solution

The fourth proportional to 719,103.20, 1,077,626.76 and 528,064.70 is: 791,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,103.20 : 1,077,626.76 = 528,064.70 : x
  2. Step 2: Convert to fraction form
    719,103.20/1,077,626.76 = 528,064.70/x
  3. Step 3: Cross multiply
    719,103.20x = 1,077,626.76 × 528,064.70
  4. Step 4: Simplify right side
    719,103.20x = 569,056,651,731.37
  5. Step 5: Solve for x
    x = 569,056,651,731.37/719,103.20
  6. Step 6: Final answer
    x = 791,342.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.